Home / 18,165,273.57-25,067,894.97-9,905,315.58

Finding the Fourth Proportional to 18,165,273.57, 25,067,894.97 and 9,905,315.58

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Solution

The fourth proportional to 18,165,273.57, 25,067,894.97 and 9,905,315.58 is: 13,669,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165,273.57 : 25,067,894.97 = 9,905,315.58 : x
  2. Step 2: Convert to fraction form
    18,165,273.57/25,067,894.97 = 9,905,315.58/x
  3. Step 3: Cross multiply
    18,165,273.57x = 25,067,894.97 × 9,905,315.58
  4. Step 4: Simplify right side
    18,165,273.57x = 248,305,410,604,144.62
  5. Step 5: Solve for x
    x = 248,305,410,604,144.62/18,165,273.57
  6. Step 6: Final answer
    x = 13,669,235.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.